/Engine/Plugins/Editor/UVEditor/Source/UVEditorTools/Public/ToolTargets/UVEditorToolMeshInput.h
Updates the AppliedPreview from UnwrapPreview, without updating the non-preview meshes. Useful for updates during a drag, etc, when we only care about updating the visible items. Assumes that the overlay in UnwrapPreview is already updated.
void UpdateAppliedPreviewFromUnwrapPreview ( const [TArray](API\Runtime\Core\Containers\TArray)< int32 > * ChangedVids, const [TArray](API\Runtime\Core\Containers\TArray)< int32 > * ChangedConnectivityTids, const [TArray](API\Runtime\Core\Containers\TArray)< int32 > * FastRenderUpdateTids )